26299980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20873}}^1$

素因数の和:20895

約数の個数: 72

約数和(自身を含む): 91177632

約数和(自身を除く): 64877652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20873, 41746, 62619, 83492, 104365, 125238, 146111, 187857, 208730, 250476, 292222, 313095, 375714, 417460, 438333, 584444, 626190, 730555, 751428, 876666, 939285, 1252380, 1314999, 1461110, 1753332, 1878570, 2191665, 2629998, 2922220, 3757140, 4383330, 5259996, 6574995, 8766660, 13149990, 26299980]

約数ペア:

[(1, 26299980), (2, 13149990), (3, 8766660), (4, 6574995), (5, 5259996), (6, 4383330), (7, 3757140), (9, 2922220), (10, 2629998), (12, 2191665), (14, 1878570), (15, 1753332), (18, 1461110), (20, 1314999), (21, 1252380), (28, 939285), (30, 876666), (35, 751428), (36, 730555), (42, 626190), (45, 584444), (60, 438333), (63, 417460), (70, 375714), (84, 313095), (90, 292222), (105, 250476), (126, 208730), (140, 187857), (180, 146111), (210, 125238), (252, 104365), (315, 83492), (420, 62619), (630, 41746), (1260, 20873)]